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Marathon Petroleum Corp. planned insider sales

In the last twelve months insiders at Marathon Petroleum Corp. filed 20 Form 144 notices of planned sales, 200,697 shares worth $48.1 million at the time of filing, from 8 sellers. The latest, filed 31 August 2026: Lyon Shawn M (officer), 1,000 shares worth $375,735, planned for around 31 August 2026 through Wells Fargo Clearing Services.

FiledSellerRelationshipSharesValuePlanned saleSold, per Form 4BrokerHow acquiredFiling
31 August 2026Lyon Shawn MOfficer1,000$375,73531 August 20261,000 shares from 31 August 2026Wells Fargo Clearing ServicesCompensationForm 144
28 August 2026Lyon Shawn MOfficer425$156,60828 August 2026425 shares from 28 August 2026Wells Fargo Clearing ServicesCompensationForm 144
27 August 2026Brzezinski Erin MOfficer570$206,79027 August 2026570 shares from 27 August 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
24 August 2026Hagedorn Carl KristopherOfficer897$323,96124 August 2026None on Form 4 yetFidelity Brokerage Services LLCRestricted Stock VestingForm 144
20 August 2026Lyon Shawn MOfficer2,500$874,97513 August 2026None on Form 4 yetWells Fargo Clearing ServicesCompensationForm 144
17 August 2026Benson Molly ROfficer17,196$6.2 million17 August 202617,196 shares from 17 August 2026Fidelity Brokerage Services LLCStock Option ExerciseForm 144
12 August 2026Henschen Michael A IIOfficer6,011$2.1 million12 August 20266,011 shares from 12 August 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
4 June 2026Henschen Michael A IIOfficer6,336$1.7 million4 June 20266,336 shares from 4 June 2026Fidelity Brokerage Services LLCRestricted Stock Vesting; Stock Option ExerciseForm 144
13 May 2026Hessling Ricky D.Officer1,000$250,00013 May 20261,000 shares from 13 May 2026Fidelity Brokerage Services LLCOpen Market PurchaseForm 144
24 March 2026Hennigan Michael JFormer Director25,000$6.1 million24 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
19 March 2026Hennigan Michael JFormer Director25,000$6.0 million19 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
13 March 2026Hessling Ricky D.Officer1,626$371,02113 March 20262,663 shares from 12 March 2026Fidelity Brokerage Services LLCOpen Market Purchase; Restricted Stock VestingForm 144
12 March 2026Hessling Ricky D.Officer1,037$237,55412 March 20261,810 shares from 11 March 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
11 March 2026Hessling Ricky D.Officer1,810$406,85011 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
11 March 2026Quaid John JFormer Officer5,000$1.1 million11 March 2026No matching Form 4 saleFidelity Brokerage Services LLCOpen Market Purchase; Restricted Stock VestingForm 144
6 March 2026Hennigan Michael JFormer Director25,000$5.5 million6 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
2 March 2026Hennigan Michael JFormer Director25,000$5.2 million2 March 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
26 February 2026Hennigan Michael JFormer Director25,000$5.0 million26 February 2026No matching Form 4 saleFidelity Brokerage Services LLCOpen Market Purchase; Restricted Stock VestingForm 144
12 February 2026Henschen Michael A IIOfficer5,289$1.1 million12 February 20265,289 shares from 12 February 2026Fidelity Brokerage Services LLCRestricted Stock VestingForm 144
6 February 2026Hennigan Michael JFormer Director25,000$5.1 million6 February 2026No matching Form 4 saleFidelity Brokerage Services LLCRestricted Stock VestingForm 144
A Form 144 is the notice an insider files with the SEC before selling restricted or control shares over the Rule 144 thresholds; it says what may be sold, not what was.
Read moreValue is the filer's own aggregate market value. Sold, per Form 4: the same seller's open-market sales on Form 4 from the notice's date to 90 days after, added up, as they appear on the insiders page; a holder who files no Form 4, such as some large holders, never shows one. What is a Form 144?